Forced expression of E-cadherin in the mouse intestinal epithelium slows cell migration and provides evidence for nonautonomous regulation of cell fate in a self-renewing system

Michelle L. Hermiston, Melissa Wong, Jeffrey I. Gordon

Research output: Contribution to journalArticle

202 Citations (Scopus)

Abstract

The adult mouse small intestinal epithelium is self-renewing. Its crypt- villus unit provides a model for studying many of the processes that occur during tissue morphogenesis such as control of proliferative status, specification of cell fate, regulation of differentiation, and induction of death. To assess the contributions of cell-cell and cell-substratum interactions to the coordinated control of these processes, 129/Sv embryonic stem (ES) cells, transfected with a recombinant DNA consisting of a fatty acid-binding protein gene (FabpI) promoter that functions along the entire length of the crypt-villus axis linked to mouse E-cadherin, were introduced into normal C57B1/6 (B6) blastocysts. Analyses of adult B6 mutually implies 129/Sv mice indicated that forced expression of E-cadherin suppresses proliferation and induces apoptosis in the crypt, and slows cell movement up the villus. The slowed migration is not accompanied by a change in distribution of terminal differentiation markers along the crypt-villus axis suggesting that differentiation is largely cell nonautonomous. To determine whether the slowed migration was a direct effect of forced expression of E- cadherin or a secondary effect of reduced crypt cell production, another Fabp promoter was used to restrict overproduction of E-cadherin to the villus epithelium of transgenic mice. Enterocytic migration was slowed, although proliferation and apoptosis were not perturbed in crypts. Augmentation of cellular E-cadherin pools was accompanied by an increase in β-catenin levels. These findings establish that cadherins and their associated proteins modulate cellular migration, proliferation, and death programs in an adult vertebrate organ.

Original languageEnglish (US)
Pages (from-to)985-996
Number of pages12
JournalGenes and Development
Volume10
Issue number8
StatePublished - Apr 15 1996
Externally publishedYes

Fingerprint

Cadherins
Intestinal Mucosa
Cell Movement
129 Strain Mouse
Apoptosis
Catenins
Fatty Acid-Binding Proteins
Recombinant DNA
Differentiation Antigens
Blastocyst
Embryonic Stem Cells
Morphogenesis
Cell Communication
Transgenic Mice
Vertebrates
Epithelium
Cell Proliferation
Genes
Proteins

Keywords

  • adhesion
  • Cadherins
  • catenins
  • chimeric-transgenic mice
  • differentiation
  • intestinal epithelium
  • migration

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

Cite this

Forced expression of E-cadherin in the mouse intestinal epithelium slows cell migration and provides evidence for nonautonomous regulation of cell fate in a self-renewing system. / Hermiston, Michelle L.; Wong, Melissa; Gordon, Jeffrey I.

In: Genes and Development, Vol. 10, No. 8, 15.04.1996, p. 985-996.

Research output: Contribution to journalArticle

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